Cefn yr Ystrad
617m (2025ft)
The Black Mountains, The Brecon Beacons, Powys, Wales
The summit of Cefn yr Ystrad is marked by an Ordnance Survey Trig Point.
Not familiar with this top?
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Vital Statistics:
| Length: | 8.25ml (13km) |
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| Ascent: | 1,326ft (404m) |
| Time: | 4.25hrs |
| Grade: |  (Moderate) |
Route Summary:
Ponsticill - Baltic Quarry - Cefn Yr Ystrad - Cwar Yr Ystrad - Cwar Yr Hendre - Gwaun Danydarren - Gwaun Nant Ddu - Cwm Callan - Dolygaer - Pontsticill Reservoir - Brecon Mountain Railway - Pontsticill Railway Station - Ponsticill
See Cefn yr Ystrad and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:
The Black Mountains Area of Bannau Brycheiniog (The Brecon Beacons National Park)
Less data - quicker to download
The Whole of Bannau Brycheiniog (The Brecon Beacons National Park)
More data - might take a little longer to download
See Cefn yr Ystrad and the surrounding tops on our downloadable Peak Bagging Map in PDF format:
NB: Whether you print off a copy or download it to your phone, this PDF Peak Baggers' Map might prove incredibly useful when your are up there on the tops and you cannot get a phone signal.
You can find Cefn yr Ystrad & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps:
1:25,000 scale OS Explorer Map (orange/yellow covers):
1:50,000 scale OS Landranger Map (pink/magenta covers):
Fellow go4awalkers who have already walked, climbed, summited & bagged Cefn yr Ystrad
Ryan Mcgavock walked up Cefn yr Ystrad on January 1st, 2026 [from/via/route] Pontiscilli, used OS App & route [with] Solo [weather] Cold, slightly windy, dry
Craig Barrell climbed it on November 2nd, 2025 [with] solo
Alan Smith bagged it on September 23rd, 2024 [from/via/route] With Kev from pontsticill [with] kev [weather] Misty foggy day. Some light rain
Jonathan Morris hiked Cefn yr Ystrad on March 19th, 2024 [from/via/route] Mountain Railway [with] My Father [weather] Cloudy but dry
Donovan Suddell summited on March 17th, 2024 [from/via/route] Pontsticill Reservoir [with] Solo [weather] misty & raining
To add (or remove) your name and experiences on this page - Log On and edit your Personal Mountain Bagging Record
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More Photographs & Pictures of views from, on or of Cefn yr Ystrad
Railway Bridge spanning the path up Cefn yr Ystrad from Pontsticill Reservoir
Send us your photographs and pictures on, of, or from Cefn yr Ystrad
If you would like to add your walk photographs and pictures to this page, please send them as email attachments (configured for any computer) along with your name to:
and we shall do our best to publish them.
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